Search a number
-
+
489308888321 = 11173257125007
BaseRepresentation
bin1110001111011010001…
…01010001110100000001
31201202222202222222010022
413013231011101310001
531004101033411241
61012441351343225
750231346632501
oct7075505216401
91652882888108
10489308888321
11179573125010
127a9b8681b15
13371ac213aa6
141997b39ba01
15cadc25b54b
hex71ed151d01

489308888321 has 8 divisors (see below), whose sum is σ = 536877016704. Its totient is φ = 442255010320.

The previous prime is 489308888309. The next prime is 489308888329. The reversal of 489308888321 is 123888803984.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 489308888321 - 222 = 489304694017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489308888329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128560601 + ... + 128564406.

It is an arithmetic number, because the mean of its divisors is an integer number (67109627088).

Almost surely, 2489308888321 is an apocalyptic number.

It is an amenable number.

489308888321 is a deficient number, since it is larger than the sum of its proper divisors (47568128383).

489308888321 is a wasteful number, since it uses less digits than its factorization.

489308888321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257125191.

The product of its (nonzero) digits is 21233664, while the sum is 62.

The spelling of 489308888321 in words is "four hundred eighty-nine billion, three hundred eight million, eight hundred eighty-eight thousand, three hundred twenty-one".

Divisors: 1 11 173 1903 257125007 2828375077 44482626211 489308888321